Quantifying the effect of turbulent magnetic diffusion on the growth rate of the magneto−rotational instability

@article{Vaisala2014QuantifyingTE,
  title={Quantifying the effect of turbulent magnetic diffusion on the growth rate of the magneto−rotational instability},
  author={Miikka S. Vaisala and Axel Brandenburg and Dhrubaditya Mitra and Petri J. Kapyla and M. J. Mantere Department of Physics and University of Helsinki and Finland and Nordita and Kth - Royal Institute of Technology and Stockholm University and Sweden. and Department of Physics Astronomy and Department of Information and Computer Science and Aalto University},
  journal={Astronomy and Astrophysics},
  year={2014},
  volume={567}
}
  • Miikka S. Vaisala, Axel Brandenburg, +12 authors Aalto University
  • Published 2014
  • Physics
  • Astronomy and Astrophysics
  • Context. In astrophysics, turbulent diffusion is often used in place of microphysical diffusion to avoid resolving the small scales. However, we expect this approach to break down when time and length scales of the turbulence become comparable with other relevant time and length scales in the system. Turbulent diffusion has previously been applied to the magneto-rotational instability (MRI), but no quantitative comparison of growth rates at different turbulent intensities has been performed… CONTINUE READING

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